Centrifugal pump and air-compressor.



W. KIESBR. GENTRIPUGAL PUMP AND AIR COMPRESSOR.

APPLICATION FILED JULY 21, 1913.

Patented Nov. 3, 1914.

omweg.

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rctarding its escape so as to form a Water cushion.

2. The combination with acentrifugai air compressor having a'rotary impeller and a stationary ,directing ring concentric therewith, of means for confining an annular body of Water concentric with said directing ring and receiving the streams of fluid issuing from said ring.

3. The combination with a centrifugal air compressor having a rotary impeller and a stationary directing ring concentric therewith, of a U-shaped protecting ringl concentric with said directing-ring. y

y 4. The combination with a centrifugal air compressor having a rotary impeller and a stationary directing ring concentric there- Copies of this patent may be obtained for ve cents each, by addressing` the Commissioner of Patents, Washington D. C. 

